Man-Thing in Marvels Super Hero Squad Show Season 2, #17,
Six Against Infinity, Part 3: This Man-Thing, This Monster!
Writer: John Rozum
Iron Man finds himself stranded on a world of monsters. There he meets Man-Thing and Werewolf by Night and must battle Dracula and a gang of mummies.
First aired 3 October 2011.

Man-Thing on the BBQ Marvel Super Heroes: What The ?!
Marvel vs. Capcom!
The Marvel heroes and Capcom superstars collide in a barbecue of brutality, with Man-Thing's head being BBQ'd as veggie burgers by Captain America.
Released online Sep 28, 2012.

Spotted by PTOR

Man-Thing in The Incredible Drive What The ?!
The Incredible Drive Part Two
The Hulk and friends continue their roadtrip adventure featuring the 2012 Toyota Yaris, and Man-Thing makes a cameo appearance.
Released online Dec 16, 2011.

Spotted by PTOR

Ultimate Spider-Man cover Marvel's Ultimate Spider-Man
This makes its Disney Channel debut in a special one-hour Halloween event, Saturday, October 5 at 9pm/8c. This brand new prime time animation special features a never-before-seen team-up with Blade, the fan favourite vampire hunter; Jack Russell aka Werewolf by Night; The Living Mummy; Frankenstein's Monster and Man-Thing. United together in animation for the first time, Spider-Man and his monstrous allies take on one of the biggest Halloween villains of all time, Dracula!
Saturday, October 5 2013

Spotted by P-tor

Marvels Agents of Shield episode #20: Nothing Personal
Agent Maria Hill name dropped Man-Thing while she is on the phone with someone ( presumable Nick Fury) telling him how her meeting was with congress. The exact quote was It went as expected. Shield implodes and everyone wants answers. The CIA, NSA, NRO, them I can handle. But congress is like kindergarten.
Where is this fridge?
What was in there?
Who or what is a Man Thing?

Screened 2014-04-29.

Spotted by MacGruber

Man-Thing and the The Howling Commandos Marvel's Hulk and the Agents of S.M.A.S.H Season 2, episode #29: Hulking Commando
On Halloween, Nick Fury's Howling Commandos (which includes Man-Thing) are sent to apprehend the Agents of S.M.A.S.H. The Howling Commandos have a change of plans when they end up helping the Agents of S.M.A.S.H. prevent Dormammu from breaking into our dimension and turning all of humanity into Mindless Ones.
Screened 2014-10-19.

hulkwheremonstersdwelldvdcover.jpg - 21.3 KB Hulk: Where Monsters Dwell (October 21, 2016)
This Hallow's eve, Nightmare is bent on conquering our waking world by crossing through the Dream Dimension, and converting each dreamer into a monster! Can Dr. Strange, Hulk, and the Howling Commandoes (including Manny) hold the line and put an end to his nefarious scheme?
Hulk: Where Monsters Dwell will be released on itunes. The film is directed by Mitch Schaur and written by Marty Isenberg and Dave McDermott. It stars Fred Tatasciore as Hulk, Jesse Burch as Bruce Banner, Liam O'Brien as Stephen Strange/Doctor Strange, Edward Bosco as Warwolf and Minotaur, Chiara Zanni as Nina Price/Vampire by Night, Mike Vaughn as Zombie Jasper Sitwell, Louis Tomeo as Man-Thing, Matthew Waterson as Nightmare, and Michael Robles as Benito.

Spotted by me.